Multiplex Communication System

MULTIPLEX COMMUNICATION: MULTIPLEX COMMUNICATION SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY (BODY ECU)
(a) Disconnect the 1B, 1E, 1F, 1H and 1L J/B connectors.





(b) Measure the voltage and resistance of the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
2. CHECK THEFT WARNING ECU ASSEMBLY (THEFT DETERRENT ECU)
(a) Disconnect the T5 connector.





(b) Measure the voltage and resistance of the wire harness side connectors.





If the result is not as specified, there may be a malfunction on the wire harness side.
3. CHECK MULTIPLEX NETWORK DOOR ECU BACK (BACK DOOR ECU)
(a) Disconnect the B8 connector.





(b) Measure the voltage and resistance of the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.